Frontier Airlines: Delta Airlines logo, logo, banner, and banner with QR code removed

Delta Airlines is no stranger to controversy, but it appears to have gotten its mojo back after an online outcry and a response from the company.

A spokesperson for Delta told Business Insider on Thursday that the airline had received an anonymous tip and was in the process of reviewing the images.

He added that the images did not violate the company’s terms of service.

Delta has since removed the offending images, according to the company, which is still under investigation by the Federal Trade Commission (FTC).

Delta is the fifth airline in recent memory to receive a refund for a banner that is no longer visible, after JetBlue, American Airlines, Southwest, and United Airlines.

The other three are: American Airlines in April, JetBlue Airways in July, and American Eagle Airways in September.

The company has also refunded more than 700,000 people for the banner, according a spokesperson for the FTC.

Delta says it is “currently reviewing” the banner.

In a statement to Business Insider, Delta said it has received the tip and is in the “process of reviewing.”

The company said that Delta has a zero-tolerance policy for banner advertising.

“We have a zero tolerance policy for advertising on flyers’ backpacks or on our websites, and we have taken swift and decisive action against the poster and the poster’s behavior,” the spokesperson said.

The FTC said in a statement on Friday that the agency would not comment on specific cases.